SALMO. 139 



Salmon are known to change their haunts ; in 

 many rivers in which they were formerly so abun- 

 dant, that "farmer's servants stipulated to have 

 them only twice a week as food," 1 not one is now 

 to be found. 



THE SALMON. 



They were formerly abundant in the Thames, 

 and caught in great numbers, but since the in- 

 troduction of steam-boats on this river, they 

 are rarely to be found. 



In some rivers of England and Wales, at the 

 season when the salmon and their fry return* to 

 the sea, the quantity taken in one week has ex- 

 ceeded thousands in a day, and in some instances 

 in such quantities that they were given to the 

 swine. 



At Leixlip, in Ireland, is a very high cataract, 

 called the Salmon-leap, from the number of 

 these fish which are to be seen leaping it, in 

 the season when they return up the river to 

 spawn. In fine weather, says a friend, " I have 



